src/client/clientsyncer.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2005-08 by the Quassel IRC Team                         *
   3  *   devel@quassel-irc.org                                                 *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) version 3.                                           *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  19  ***************************************************************************/
  20
  21 #include "clientsyncer.h"
  22
  23 #include "client.h"
  24 #include "global.h"
  25 #include "identity.h"
  26 #include "ircuser.h"
  27 #include "ircchannel.h"
  28 #include "network.h"
  29 #include "signalproxy.h"
  30
  31
  32 ClientSyncer::ClientSyncer(QObject *parent) : QObject(parent) {
  33   socket = 0;
  34   blockSize = 0;
  35
  36   connect(Client::signalProxy(), SIGNAL(disconnected()), this, SLOT(coreSocketDisconnected()));
  37
  38 }
  39
  40 ClientSyncer::~ClientSyncer() {
  41
  42
  43 }
  44
  45 void ClientSyncer::coreHasData() {
  46   QVariant item;
  47   while(SignalProxy::readDataFromDevice(socket, blockSize, item)) {
  48     emit recvPartialItem(1,1);
  49     QVariantMap msg = item.toMap();
  50     if(!msg.contains("MsgType")) {
  51       // This core is way too old and does not even speak our init protocol...
  52       emit connectionError(tr("The Quassel Core you try to connect to is too old! Please consider upgrading."));
  53       disconnectFromCore();
  54       return;
  55     }
  56     if(msg["MsgType"] == "ClientInitAck") {
  57       clientInitAck(msg);
  58     } else if(msg["MsgType"] == "ClientInitReject") {
  59       emit connectionError(msg["Error"].toString());
  60       disconnectFromCore();
  61       return;
  62     } else if(msg["MsgType"] == "CoreSetupAck") {
  63       emit coreSetupSuccess();
  64     } else if(msg["MsgType"] == "CoreSetupReject") {
  65       emit coreSetupFailed(msg["Error"].toString());
  66     } else if(msg["MsgType"] == "ClientLoginReject") {
  67       emit loginFailed(msg["Error"].toString());
  68     } else if(msg["MsgType"] == "ClientLoginAck") {
  69       // prevent multiple signal connections
  70       disconnect(this, SIGNAL(recvPartialItem(quint32, quint32)), this, SIGNAL(sessionProgress(quint32, quint32)));
  71       connect(this, SIGNAL(recvPartialItem(quint32, quint32)), this, SIGNAL(sessionProgress(quint32, quint32)));
  72       emit loginSuccess();
  73     } else if(msg["MsgType"] == "SessionInit") {
  74       sessionStateReceived(msg["SessionState"].toMap());
  75       break; // this is definitively the last message we process here!
  76     } else {
  77       emit connectionError(tr("<b>Invalid data received from core!</b><br>Disconnecting."));
  78       disconnectFromCore();
  79       return;
  80     }
  81   }
  82   if(blockSize > 0) {
  83     emit recvPartialItem(socket->bytesAvailable(), blockSize);
  84   }
  85 }
  86
  87 void ClientSyncer::coreSocketError(QAbstractSocket::SocketError) {
  88   emit connectionError(socket->errorString());
  89   socket->deleteLater();
  90 }
  91
  92 void ClientSyncer::disconnectFromCore() {
  93   if(socket) socket->close();
  94 }
  95
  96 void ClientSyncer::connectToCore(const QVariantMap &conn) {
  97   // TODO implement SSL
  98   coreConnectionInfo = conn;
  99   //if(isConnected()) {
 100   //  emit coreConnectionError(tr("Already connected to Core!"));
 101   //  return;
 102   // }
 103   if(socket != 0) {
 104     socket->deleteLater();
 105     socket = 0;
 106   }
 107   if(conn["Host"].toString().isEmpty()) {
 108     emit connectionError(tr("Internal connections not yet supported."));
 109     return; // FIXME implement internal connections
 110     //clientMode = LocalCore;
 111     socket = new QBuffer(this);
 112     connect(socket, SIGNAL(readyRead()), this, SLOT(coreHasData()));
 113     socket->open(QIODevice::ReadWrite);
 114     //QVariant state = connectToLocalCore(coreConnectionInfo["User"].toString(), coreConnectionInfo["Password"].toString());
 115     //syncToCore(state);
 116     coreSocketConnected();
 117   } else {
 118     //clientMode = RemoteCore;
 119     //emit coreConnectionMsg(tr("Connecting..."));
 120     Q_ASSERT(!socket);
 121     QTcpSocket *sock = new QTcpSocket(Client::instance());
 122     socket = sock;
 123     connect(sock, SIGNAL(readyRead()), this, SLOT(coreHasData()));
 124     connect(sock, SIGNAL(connected()), this, SLOT(coreSocketConnected()));
 125     connect(sock, SIGNAL(disconnected()), this, SLOT(coreSocketDisconnected()));
 126     connect(sock, SIGNAL(error(QAbstractSocket::SocketError)), this, SLOT(coreSocketError(QAbstractSocket::SocketError)));
 127     connect(sock, SIGNAL(stateChanged(QAbstractSocket::SocketState)), this, SIGNAL(socketStateChanged(QAbstractSocket::SocketState)));
 128     sock->connectToHost(conn["Host"].toString(), conn["Port"].toUInt());
 129   }
 130 }
 131
 132 void ClientSyncer::coreSocketConnected() {
 133   //connect(this, SIGNAL(recvPartialItem(uint, uint)), this, SIGNAL(coreConnectionProgress(uint, uint)));
 134   // Phase One: Send client info and wait for core info
 135
 136   //emit coreConnectionMsg(tr("Synchronizing to core..."));
 137   QVariantMap clientInit;
 138   clientInit["MsgType"] = "ClientInit";
 139   clientInit["ClientVersion"] = Global::quasselVersion;
 140   clientInit["ClientDate"] = Global::quasselDate;
 141   clientInit["ClientBuild"] = Global::quasselBuild; // this is a minimum, since we probably won't update for every commit
 142   clientInit["UseSsl"] = false;  // FIXME implement SSL
 143   SignalProxy::writeDataToDevice(socket, clientInit);
 144 }
 145
 146 void ClientSyncer::coreSocketDisconnected() {
 147   emit socketDisconnected();
 148   Client::instance()->disconnectFromCore();
 149
 150   // FIXME handle disconnects gracefully in here as well!
 151
 152   coreConnectionInfo.clear();
 153   netsToSync.clear();
 154   channelsToSync.clear();
 155   usersToSync.clear();
 156   blockSize = 0;
 157   //restartPhaseNull();
 158 }
 159
 160 void ClientSyncer::clientInitAck(const QVariantMap &msg) {
 161   // Core has accepted our version info and sent its own. Let's see if we accept it as well...
 162   if(msg["CoreBuild"].toUInt() < Global::coreBuildNeeded) {
 163     emit connectionError(tr("<b>The Quassel Core you are trying to connect to is too old!</b><br>"
 164         "Need at least a Core Version %1 (Build >= %2) to connect.").arg(Global::quasselVersion).arg(Global::coreBuildNeeded));
 165     disconnectFromCore();
 166     return;
 167   }
 168   emit connectionMsg(msg["CoreInfo"].toString());
 169   if(!msg["Configured"].toBool()) {
 170     // start wizard
 171     emit startCoreSetup(msg["StorageBackends"].toList());
 172   } else if(msg["LoginEnabled"].toBool()) {
 173     emit startLogin();
 174   }
 175 }
 176
 177 void ClientSyncer::doCoreSetup(const QVariant &setupData) {
 178   QVariantMap setup;
 179   setup["MsgType"] = "CoreSetupData";
 180   setup["SetupData"] = setupData;
 181   SignalProxy::writeDataToDevice(socket, setup);
 182 }
 183
 184 void ClientSyncer::loginToCore(const QString &user, const QString &passwd) {
 185   emit connectionMsg(tr("Logging in..."));
 186   QVariantMap clientLogin;
 187   clientLogin["MsgType"] = "ClientLogin";
 188   clientLogin["User"] = user;
 189   clientLogin["Password"] = passwd;
 190   SignalProxy::writeDataToDevice(socket, clientLogin);
 191 }
 192
 193 void ClientSyncer::sessionStateReceived(const QVariantMap &state) {
 194   emit sessionProgress(1, 1);
 195   disconnect(this, SIGNAL(recvPartialItem(quint32, quint32)), this, SIGNAL(sessionProgress(quint32, quint32)));
 196   disconnect(socket, 0, this, 0);  // rest of communication happens through SignalProxy
 197   //Client::signalProxy()->addPeer(socket);
 198   Client::instance()->setConnectedToCore(socket, coreConnectionInfo["AccountId"].value<AccountId>());
 199   syncToCore(state);
 200 }
 201
 202 void ClientSyncer::syncToCore(const QVariantMap &sessionState) {
 203
 204   // create identities
 205   foreach(QVariant vid, sessionState["Identities"].toList()) {
 206     Client::instance()->coreIdentityCreated(vid.value<Identity>());
 207   }
 208
 209   // create buffers
 210   // FIXME: get rid of this crap
 211   QVariantList bufferinfos = sessionState["BufferInfos"].toList();
 212   foreach(QVariant vinfo, bufferinfos) Client::buffer(vinfo.value<BufferInfo>());  // create Buffers and BufferItems
 213
 214   QVariantList networkids = sessionState["NetworkIds"].toList();
 215
 216   // prepare sync progress thingys... FIXME: Care about removal of networks
 217   numNetsToSync = networkids.count();
 218   numChannelsToSync = 0; //sessionState["IrcChannelCount"].toUInt();
 219   numUsersToSync = 0; // sessionState["IrcUserCount"].toUInt(); qDebug() << numUsersToSync;
 220   emit networksProgress(0, numNetsToSync);
 221   emit channelsProgress(0, numChannelsToSync);
 222   emit ircUsersProgress(0, numUsersToSync);
 223
 224   // create network objects
 225   foreach(QVariant networkid, networkids) {
 226     NetworkId netid = networkid.value<NetworkId>();
 227     Network *net = new Network(netid, Client::instance());
 228     netsToSync.insert(net);
 229     connect(net, SIGNAL(initDone()), this, SLOT(networkInitDone()));
 230     connect(net, SIGNAL(ircUserInitDone(IrcUser *)), this, SLOT(ircUserInitDone(IrcUser *)));
 231     connect(net, SIGNAL(ircUserAdded(IrcUser *)), this, SLOT(ircUserAdded(IrcUser *)));
 232     connect(net, SIGNAL(ircUserRemoved(QObject *)), this, SLOT(ircUserRemoved(QObject *)));
 233     connect(net, SIGNAL(ircChannelInitDone(IrcChannel *)), this, SLOT(ircChannelInitDone(IrcChannel *)));
 234     connect(net, SIGNAL(ircChannelAdded(IrcChannel *)), this, SLOT(ircChannelAdded(IrcChannel *)));
 235     connect(net, SIGNAL(ircChannelRemoved(QObject *)), this, SLOT(ircChannelRemoved(QObject *)));
 236     Client::addNetwork(net);
 237   }
 238   checkSyncState();
 239 }
 240
 241 void ClientSyncer::networkInitDone() {
 242   netsToSync.remove(sender());
 243   emit networksProgress(numNetsToSync - netsToSync.count(), numNetsToSync);
 244   checkSyncState();
 245 }
 246
 247 void ClientSyncer::ircChannelInitDone(IrcChannel *chan) {
 248   channelsToSync.remove(chan);
 249   emit channelsProgress(numChannelsToSync - channelsToSync.count(), numChannelsToSync);
 250   checkSyncState();
 251 }
 252
 253 void ClientSyncer::ircChannelAdded(IrcChannel *chan) {
 254   if(!chan->isInitialized()) {
 255     channelsToSync.insert(chan);
 256     numChannelsToSync++;
 257     emit channelsProgress(numChannelsToSync - channelsToSync.count(), numChannelsToSync);
 258     checkSyncState();
 259   }
 260 }
 261
 262 void ClientSyncer::ircChannelRemoved(QObject *chan) {
 263   if(channelsToSync.contains(chan)) {
 264     numChannelsToSync--;
 265     channelsToSync.remove(chan);
 266     emit channelsProgress(numChannelsToSync - channelsToSync.count(), numChannelsToSync);
 267     checkSyncState();
 268   }
 269 }
 270
 271 void ClientSyncer::ircUserInitDone(IrcUser *user) {
 272   usersToSync.remove(user);
 273   emit ircUsersProgress(numUsersToSync - usersToSync.count(), numUsersToSync);
 274   checkSyncState();
 275 }
 276
 277 void ClientSyncer::ircUserAdded(IrcUser *user) {
 278   if(!user->isInitialized()) {
 279     usersToSync.insert(user);
 280     numUsersToSync++;
 281     emit ircUsersProgress(numUsersToSync - usersToSync.count(), numUsersToSync);
 282     checkSyncState();
 283   }
 284 }
 285
 286 void ClientSyncer::ircUserRemoved(QObject *user) {
 287   if(usersToSync.contains(user)) {
 288     numUsersToSync--;
 289     usersToSync.remove(user);
 290     emit ircUsersProgress(numUsersToSync - usersToSync.count(), numUsersToSync);
 291     checkSyncState();
 292   }
 293 }
 294
 295 void ClientSyncer::checkSyncState() {
 296   if(usersToSync.count() + channelsToSync.count() + netsToSync.count() == 0) {
 297     // done syncing!
 298     /*
 299     qDebug() << "done";
 300     foreach(Network *net, _networks.values()) {
 301       //disconnect(net, 0, this, SLOT(networkInitDone()));
 302       //disconnect(net, 0, this, SLOT(ircUserInitDone(IrcUser *)));
 303       //disconnect(net, 0, this, SLOT(ircUserAdded(IrcUser *)));
 304       //disconnect(net, 0, this, SLOT(ircUserRemoved(QObject *)));
 305       //disconnect(net, 0, this, SLOT(ircChannelInitDone(IrcChannel *)));
 306       //disconnect(net, 0, this, SLOT(ircChannelAdded(IrcChannel *)));
 307       //disconnect(net, 0, this, SLOT(ircChannelRemoved(QObject *)));
 308       qDebug() << "disconnecting";
 309       disconnect(net, SIGNAL(initDone()), this, SLOT(networkInitDone()));
 310       disconnect(net, SIGNAL(ircUserInitDone(IrcUser *)), this, SLOT(ircUserInitDone(IrcUser *)));
 311       disconnect(net, SIGNAL(ircUserAdded(IrcUser *)), this, SLOT(ircUserAdded(IrcUser *)));
 312       disconnect(net, SIGNAL(ircUserRemoved(QObject *)), this, SLOT(ircUserRemoved(QObject *)));
 313       disconnect(net, SIGNAL(ircChannelInitDone(IrcChannel *)), this, SLOT(ircChannelInitDone(IrcChannel *)));
 314       disconnect(net, SIGNAL(ircChannelAdded(IrcChannel *)), this, SLOT(ircChannelAdded(IrcChannel *)));
 315       disconnect(net, SIGNAL(ircChannelRemoved(QObject *)), this, SLOT(ircChannelRemoved(QObject *)));
 316     }
 317     */
 318
 319     Client::instance()->setSyncedToCore();
 320     emit syncFinished();
 321     //emit connected();
 322     //emit connectionStateChanged(true);
 323
 324   }
 325 }
 326